US Patent: 56,614
|
| Improvement in cross-heads for blowers
|
|
Patentees:
|
| Francis M. Roots (exact or similar names) - Connersville, IN |
| Philander H. Roots (exact or similar names) - Connersville, IN |
|
|
Patent Dates:
|
| Granted: |
Jul. 24, 1866 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Jeff Joslin
Vintage Machinery entry for Thwaites Bros., Ltd.
Vintage Machinery entry for P. H. & F. M. Roots
|
|
Description: |
| The original Roots blower design suffered from rapid wear of the pistons. This invention adds wooden rims to the pistons to reduce friction and wear. This alteration was apparently successful and the Roots blower sold very well afterwards. |
|
